Subdural Haematoma

A subdural hematoma is usually the result of a serious head injury. It is also known as a subdural haemorrhage or SDH. It is a serious condition where blood collects between the skull and the surface of the brain.
The sign & Symptoms are : A history of recent head injury, Loss of consciousness, Irritability, Seizures, Pain, Numbness, Headache, Nausea or vomiting, Loss of muscle control, Blurred Vision etc.

The Causes are

1. Rupture of parasagittal bridging or communicating veins.
2. Rupture of inferior cerebral veins entering the sinuses at the base of skull.
3. Rupture of dural venous sinuses.
4. Injury to cortical veins.
5. Lacerations or contusions of brain and dura.
6. Laceration of the dura and middle meningial artery.
7. Re-injury of old adhesion between the brain and the dura.
8. Rupture of an aneurism or a superficial blood vessel malformation in the brain.
9. Secondary to diseases e.g. cerebral tmour, cerebral aneurism or blood disorders.\
10. Berry aneurisms.
11. Drugs-Dicoumerol, warferin and heparin.